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Whats the best way to upgrade bash on a xenserver host?

Whats the best way to upgrade bash on a xenserver host?

Yum is not finding an update, and the bash version installed is vulnerable.

Code:

[root@xen ~]# cat /etc/redhat-release 

XenServer release 6.2.0-70446c (xenenterprise)

[root@xen ~]# rpm -qa |grep bash

bash-3.2-32.el5

[root@xen ~]# yum update bash

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

Setting up Update Process

No Packages marked for Update

bash-3.2-32.el5 was released in July 2011.
If you haven't kept up with Updates you may need to update the distribution first.

Code:

]$ awk '/release/ {print $3}' /etc/redhat-release

5.10



]$ rpm -q bash

bash-3.2-33.el5_10.4



]$ rpm -q --changelog bash | head -12

* Fri Sep 26 2014 Ondrej Oprala <ooprala@redhat.com> - 3.2-33.4

- CVE-2014-7169 - bypass patch bug

  Related: #1146321



* Fri Sep 26 2014 Ondrej Oprala <ooprala@redhat.com> - 3.2-33.3

- CVE-2014-7169 - proper 3.2 backport - courtesy of Florian Weimer

  Related: #1146321



* Fri Sep 26 2014 Ondrej Oprala <ooprala@redhat.com> - 3.2-33.2

- CVE-2014-7169

  Resolves: #1146321